94 results about "Nerve stimulators" patented technology

According to the flexible array type external field program control nerve stimulation device, the preparation method and the application thereof, the flexible array type external field program control nerve stimulation device comprises a flexible substrate layer and a stimulation response fiber array layer, and the stimulation response fiber array layer is prepared from a functional material capable of converting external field energy such as ultrasound, magnetism and light into electric energy; the flexible substrate layer with high flexibility is adopted, so that the flexible substrate layer can be matched with the surface of a nerve target tissue in a conformal manner; the stimulation response fiber array layer integrated on the flexible substrate layer in an array arrangement mode can meet the stimulation spatial resolution of neuron and even sub-neuron precision, has the characteristics of excellent flexibility, biocompatibility, passivity and wireless performance, can provide nerve electrical stimulation signals with high spatial resolution, and can be applied to the field of nerve electrical stimulation. The high-resolution nerve electrical stimulation device can be in conformal fit with the irregular surface of nerve soft tissue, and is suitable for high-resolution nerve electrical stimulation of different parts such as eyes, the brain and peripheral nerves.

A peripheral nerve stimulator to stimulate a peripheral nerve to treat essential tremor and other movement disorders, as well as overactive bladder, cardiac dysfunction and neurotransmitter dysfunction is provided. The peripheral nerve stimulator can be a noninvasive surface stimulator to provide multi-modal optimized therapy. Stimulation can be vibrational, electromechanical, thermal, radiant, electrical, magnetic, electromagnetic, light, mechanical, chemical, thermal, ultrasonic, radiofrequency (RF), acoustic, infrared, ultraviolet, x-ray, and / or microwave. Stimulation can be delivered using an open loop system and / or a closed loop system with feedback. Stimulation can be to one site or multiple sites.

The invention provides wireless energy supply equipment and a wireless energy supply method of a nerve stimulator. The wireless energy supply device comprises a transmitter used for transmitting energy supply electromagnetic waves to a nerve stimulator and improving the transmitting power of the energy supply electromagnetic waves; the impedance calculation unit is electrically connected with the transmitter; impedance calculation unit for monitoring a reflected impedance corresponding to the nerve stimulator according to an input current and an input voltage of the transmitter, maintaining the transmitter constant at a transmitting power corresponding to an initial impedance abrupt change point when the initial impedance abrupt change point is identified, and starting up the nerve stimulator obtained in advance the voltage is determined as a working voltage estimation value of the nerve stimulator, parameter configuration is executed, a state estimation value of the nerve stimulator is calculated according to a reflection impedance monitoring sequence corresponding to the nerve stimulator in the parameter configuration execution stage, and the transmitting power of the energy supply electromagnetic waves is controlled according to the state estimation value.

Techniques for addressing sleep disorders are provided. A system includes a nerve stimulator that is configured to deliver stimulation energy to a nerve of a sleeping patient. A system includes a sensor for gather data from the sleeping patient and a controller for processing the data. The controller is configured to cause the stimulation energy that is provided to be adjusted based on the sensed data.

The application provides a wireless and battery-free brain nerve stimulator and a preparation method. The brain nerve stimulator can be driven by a mobile phone loudspeaker, and a resonator designed can effectively amplify a piezoelectric signal. The brain nerve stimulator comprises two parts: a base provided with implantable nerve stimulation electrodes and a resonant cavity device connected through magnetic coupling. The design scheme of the brain nerve stimulator provides a general method for inhibiting epilepsy. The brain nerve stimulator can be extended to target brain deep layers or surface areas and peripheral nervous systems. A stimulation mode can be wirelessly transmitted and controlled. It is proved by electroencephalogram recording of free-moving mice that the wireless nerve stimulator can effectively relieve seizure events of the epileptic mice in vivo.

An apparatus (100) for training and assisting gait of a person, comprises: a sensor (112; 140; 150) configured for being arranged in relation to a foot or leg of the person for sensing input related to movement of the foot; a foot sole stimulator (120) for providing a foot stimulation electrical signal to the foot sole for stimulating a nociceptive withdrawal reflex; a peroneal nerve stimulator (130) for providing a peroneal nerve stimulation electrical signal to the peroneal nerve for stimulating activation of foot dorsiflexor muscle; wherein at least the foot sole stimulator (120) is configured to provide the foot stimulation electrical signal in dependence of the input sensed by the sensor (112; 140; 150); and wherein the apparatus (100) is configured to be operated in at least two different modes for selectively activating at least one of the foot sole stimulator (120) or the peroneal nerve stimulator (130).

The invention relates to a nerve stimulator, a control method of the nerve stimulator and a storage medium, and the nerve stimulator comprises a control unit which is used for controlling a signal generator; a signal generator for generating a stimulation signal, the energy of the stimulation signal satisfying an energy relationship, the energy relationship being accumulation of the charge with respect to time based on the waveform; and the output unit is used for outputting the stimulation signal. According to the application, the problem that the stimulation parameters of the stimulation equipment are easy to fail in adaptation is solved.

A non-invasive vagus nerve stimulation apparatus comprising a pair of headphones, a vagus nerve stimulator; one or more cardiac and / or brain activity sensors; and a controller; wherein the pair of headphones includes a pair of spaced apart ear-covering portions and a headband which connects the spaced apart ear-covering portions; the vagus nerve stimulator is carried by one of the ear-covering portions and includes a first arm which carries a cathode and a second arm which carries an anode; the or each cardiac and / or brain activity sensor senses activity within the body of a user and signals relating to the cardiac and / or brain activity are transmitted from the or each electrical activity sensor to the controller; and wherein the controller is carried by the pair of headphones, processes the signals relating to the sensed cardiac and / or brain activity and controls the vagus nerve stimulator to electrically stimulate the vagus nerve.

The invention relates to the field of medical equipment, in particular to a neck nerve stimulator, a neck nerve stimulation method and a computer readable storage medium, and the neck nerve stimulator comprises a position sensing unit which is used for obtaining neck position information; the energy output unit is used for outputting stimulation energy; the control unit is connected with the position sensing unit and the energy output unit and is used for determining the position of a neck nerve according to the neck position information output by the position sensing unit; the control unit is further used for controlling the energy output unit to output stimulation energy at the position where the neck nerves are located. Accurate positioning and precise stimulation of the neck nerves are achieved, and a common user can use the device conveniently.

The utility model relates to the technical field of medical equipment, and provides a nerve stimulation acupuncture needle, which comprises a needle seat, a needle core, a conductor wire, a needle core, a needle core, a needle core, a needle core, a needle core, a needle core, a needle core, a needle core, a needle core and a needle core, the needle core and the conductor wire are electrically connected, and the needle seat is of an insulating material structure; the cannula is provided with a through hole, the cannula is arranged on the needle base and the needle core in a sleeving mode through the through hole, and scale marks are arranged on the outer side wall of the cannula and used for displaying the insertion depth of the needle core; the needle base and the needle core are slidably arranged along the through hole, and scale reference marks are arranged at the positions, close to the scale marks, of the needle base. During use, the needle core is slowly inserted into the subcutaneous part of a patient, the sleeve abuts against the skin of the patient, and at the moment, the needle base slides along the through hole of the sleeve. The scale mark pointed by the scale reference mark on the needle seat is the current depth of the needle core inserted into the subcutaneous part of the patient, and the sleeve with the scales helps a doctor to master the insertion depth. Meanwhile, the nerve stimulation acupuncture needle can be connected into a nerve stimulator, and a target nerve is searched through the nerve stimulator.

A peripheral nerve stimulator to stimulate a peripheral nerve to treat essential tremor and other movement disorders, as well as overactive bladder, cardiac dysfunction and neurotransmitter dysfunction is provided. The peripheral nerve stimulator can be a noninvasive surface stimulator to provide multi-modal optimized therapy. Stimulation can be vibrational, electromechanical, thermal, radiant, electrical, magnetic, electromagnetic, light, mechanical, chemical, thermal, ultrasonic, radiofrequency (RF), acoustic, infrared, ultraviolet, x-ray, and / or microwave. Stimulation can be delivered using an open loop system and / or a closed loop system with feedback. Stimulation can be to one site or multiple sites.

Fig. 1.1 is a front view of a embodiment of a medical nerve stimulator; Fig. 1.2 is a back view thereof; Fig. 1.3 is a top view thereof; Fig. 1.4 is a bottom view thereof; Fig. 1.5 is a left side view thereof; Fig. 1.6 is a right side view thereof.

The invention discloses a vagus nerve stimulator, and relates to the field of medical equipment, and the vagus nerve stimulator comprises a flexible substrate, and an energy collection module, a sensing module and a pulse transmitting module which are all disposed on the flexible substrate. The energy collecting module is connected with the sensing module and the pulse transmitting module. The energy collection module and the sensing module are both wrapped on the left carotid artery; the energy collection module is used for converting mechanical energy generated by relaxation and contraction of the left carotid artery, the temperature difference between the interior of the human body and the skin surface, the temperature difference between the interior of the human body and the environment or chemical energy in the human body into electric energy. The sensing module is used for collecting left carotid artery pressure; the pulse transmitting module is used for generating electric pulses according to the left carotid artery pressure collected by the sensing module and conducting electric pulse stimulation on the left vagus nerve. According to the application, self-power supply is achieved, epilepsy is actively prevented, only the neck needs to be cut open, and the situation that the infection risk of a patient is increased due to double-incision wounds is avoided.

The utility model discloses a skull implantable stimulation device, which comprises a stabbing nerve stimulator and at least one fixing part, the thorn nerve stimulator is used for sending out a nerve stimulation signal; the fixing part is arranged on a curved surface formed by the curvature k1 in the first direction and the curvature k2 in the second direction, and the nerve stimulator is fixed to the skull through the fixing part; wherein the curvature k1 is the curvature in the skull sagittal direction anatomical data; the curvature k2 is the curvature in the skull coronal direction anatomical data. After the skull implantable stimulation device is implanted, the fixing part can be attached to the skull, so that the scalp tension caused after the stimulation device is implanted is reduced.

The invention discloses a peripheral nerve plexus stimulation needle capable of automatically locking puncture depth, which relates to the technical field of nerve stimulation needles, and comprises a positioning ring seat used for being positioned above a part to be subjected to needle application; the adsorption assembly is fixedly connected below the positioning ring seat; the depth self-locking assembly is arranged in the positioning ring seat; the telescopic rods are arranged in a circumferential array, one end of each telescopic rod is hinged to the positioning ring seat, and the other end of each telescopic rod is hinged to the depth self-locking assembly; the nerve stimulation needle is arranged in the depth self-locking assembly in a penetrating manner, is driven by the depth self-locking assembly to adjust the needle setting depth, and is locked by the depth self-locking assembly after being adjusted to the target depth; the nerve stimulator is electrically connected with the nerve stimulation needle, the peripheral nerve plexus stimulation needle can achieve multiple self-locking, and the overall safety is improved.

The utility model provides a nerve stimulator which comprises a perforation body used for being punctured into the body of a patient and a push rod arranged in the perforation body in a penetrating mode when used, and the push rod can movably move in the perforation body. The lead penetrates through the push rod; the electrode is arranged in the accommodating groove at one end of the push rod and is connected with the wire; the protection body is arranged in the push rod in a penetrating mode and arranged between the wire and the push rod. One end of the traction body penetrates through the protection body and is connected with the electrode, and the other end is arranged outside the protection body; according to the nerve stimulator provided by the utility model, the electrode placed in the body of a patient can be taken out without multiple operations, so that the number of operations is reduced, and meanwhile, the risk caused by extra operations of the patient can be avoided.

A system for electrical ventilation stimulation of a patient including an implantable nerve stimulator including a stimulation circuit and a pulse generator that produces biphasic charge-balanced pulses to stimulate a phrenic nerve, an external digital programming device having near field communication transmission and a digital interface, and wherein the external digital programming device is used to control settings of the implantable nerve stimulator.

The utility model discloses a nerve stimulator assembly implanted into a skull, and belongs to the technical field of medical instruments. The nerve stimulator assembly implanted into the skull comprises a stimulator with a through hole, a fixing base and a fixing piece, the fixing base comprises a base plate and a limiting table arranged on the base plate, and the stimulator is detachably connected with the fixing base; the fixing column penetrates through the through hole to be fixedly held with the limiting table. According to the nerve stimulator assembly implanted into the skull, the stimulator and the fixed base can be fixedly connected, and the stimulator and the fixed base are prevented from being disengaged and losing efficacy.

The application provides an implantable nerve stimulator suitable for human limbs, and belongs to the technical field of medical devices, and comprises: sequentially connected cylindrical end part, shell part and tail part; the shell part is internally provided with a circuit board; the end part is internally provided with a wireless charging coil, and the central axis of the wireless charging coil is parallel to the length direction of the shell part; the tail part is internally provided with an electrode connector for inserting an electrode, and the electrode connector connection channel is arranged in parallel to the length direction of the shell part; the implantable nerve stimulator of the application optimizes the layout of internal components, thereby reducing the overall width and thickness of the nerve stimulation electrode, so as to facilitate implantation in the human limb part.

The utility model relates to a watchband for wrist nerve stimulator, including watchband body, watchband body is by soft silica gel integrated injection molding, and the inboard of watchband body is provided with two sets of stimulating electrode group, and each stimulating electrode group includes a stimulating electrode and two reference electrodes respectively symmetrically arranged at the both sides of stimulating electrode. Stimulating electrode corresponds median nerve, and reference electrode corresponds radial nerve. Stimulating electrode and reference electrode protrude from the surface of watchband body, and the surface of stimulating electrode and reference electrode is uniformly provided with a plurality of convex points. Its through modularization can replace watchband and conductive silica gel electrode integration design, combines half ellipse concave-convex electrode structure and surface convex point layout, significantly improves the adhesion and contact area of electrode and skin. It adopts two sets of electrodes to stimulate median nerve and radial nerve alternately, expands the stimulation coverage range and disperses the current density, and cooperates with the press type magnetic attraction buckle and spring contact structure, realizes the quick disassembly and replacement of watchband and stable electrical connection.

We provide implantable medical devices, computer implementation methods for their use, protective cases, cables, connectors, computer programs, and computer-readable data carriers. [Solution] The present invention relates to communication adapters 1, 101, 201, and a computer implementation method for use with an implantable medical device 10, particularly a pacemaker, defibrillator, and / or nerve stimulator, for transferring data D1, D2 between the implantable medical device 10 and a mobile device 12, particularly a smartphone or tablet. In addition, the present invention relates to a protective case 22, a cable 122, and a connector 222, each comprising a communication adapter 1, 101, 201.

The invention relates to the field of medical equipment, in particular to a nerve stimulator and an output control method thereof, and the nerve stimulator comprises a signal generation unit which is used for outputting an initial signal; the signal output unit is connected with the signal generation unit and used for outputting a stimulation signal according to the initial signal, and the stimulation signal acts on the neck vagus nerve; the frequency range of the stimulation signal is 5 KHz and 20 KHz. The nerve stimulator does not stimulate other nerves, and a better treatment effect is achieved.

Techniques for addressing sleep disorders are provided. A system includes a nerve stimulator that is configured to deliver stimulation energy to a nerve of a sleeping patient. A system includes a sensor for gather data from the sleeping patient and a controller for processing the data. The controller is configured to cause the stimulation energy that is provided to be adjusted based on the sensed data.

1. The name of the design product: non-invasive brain nerve stimulator. 2. The use of the design product: the design product is used for non-invasive electrical stimulation of the central nervous system in the head, promoting brain function regulation and recovery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

Disclosed are a system for neural stimulation, a device for neural stimulation, and a computer-readable storage medium. The system includes a neural stimulator, the neural stimulator includes a stimulation module, configured to: determine, based on a received local field potential signal, a first energy value of a frequency band of interest in the local field potential signal; determine a threshold range in which the first energy value is; and output, according to a stimulation protocol corresponding to the threshold range, a corresponding stimulation signal. According to technical solution of the embodiments of this disclosure, a closed-loop neural stimulation mode can be achieved.

The invention provides an output current and output voltage amplification circuit which can be externally connected to a nerve electrical stimulator chip. The circuit can be realized by a PCB (Printed Circuit Board) or a chip with a BCD (Bipolar Compact Disc) high-voltage process, is connected with an output port of a nerve stimulator chip, and is used for increasing the electrical stimulation intensity and increasing the maximum voltage of an output stage, so that the output gets rid of the limitation of the parameters of the chip on the amplitude of the maximum output current and voltage. The circuit comprises a diode chain which is used for providing voltage for a nerve stimulator chip so as to enable the nerve stimulator chip to output double-phase current outwards and shunt the double-phase current at the same time; the multi-stage current proportion unit is used for providing a power supply voltage of a corresponding branch and randomly amplifying an input current according to requirements; and the reference voltage module is used for providing reference voltage for the biological tissue, so that a conductive path is formed. The circuit has the advantages that stimulation parameters can be flexibly adjusted, the circuit can be adjusted, and biphase current stimulation output can be achieved without a discrete switch.

The invention discloses an implantable multi-site combined nerve stimulation system. The multi-channel nerve stimulator comprises a plurality of independent output channels; a plurality of multi-contact electrodes; the intermediate processing device is arranged between the connecting contact of each multi-contact electrode and the front-end electrode contact, and the intermediate processing device collects nerve electrophysiological signals through the front-end electrode contacts and then transmits the collected electrophysiological signals back to the multi-channel nerve stimulator; the multi-channel nerve stimulator supplies power to the intermediate processing device through the multi-contact electrode, outputs pulse electrical stimulation and transmits the pulse electrical stimulation to the front-end electrode contact through the intermediate processing device, and the multi-channel nerve stimulator receives nerve electrophysiological signals transmitted back by the intermediate processing device. The implantable multi-part combined nerve stimulation system has the advantages of being high in channel expansion capacity, supporting multi-part combined stimulation and synchronous collection and the like.

The present application relates to a nerve stimulator device and a control method thereof. The nerve stimulator device comprises a master nerve stimulator, a slave nerve stimulator and a connector. The master nerve stimulator and the slave nerve stimulator are arranged in parallel relative to each other, and the connector is configured to electrically connect the master nerve stimulator and the slave nerve stimulator, so that the master nerve stimulator can transmit energy and control information to the slave nerve stimulator and receive working state information from the slave nerve stimulator. The nerve stimulator device of the present application can simultaneously complete two groups of bioelectric stimulation.

The present disclosure provides a potential signal acquisition method and an implantable nerve stimulator, wherein the method comprises: outputting a pulse stimulation signal to a stimulation target; performing passive charge balance on the stimulation target after the end of the stimulation pulse of the pulse stimulation signal; and acquiring a potential signal of the target stimulation target after the end of the passive charge balance and before the start of the next stimulation pulse.